Finding the Fourth Proportional to 811,101.33, 1,119,327.12 and 448,549.74
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Solution
The fourth proportional to 811,101.33, 1,119,327.12 and 448,549.74 is: 619,002.67
Step by Step Solution
- Step 1: Write the proportion equation
811,101.33 : 1,119,327.12 = 448,549.74 : x - Step 2: Convert to fraction form
811,101.33/1,119,327.12 = 448,549.74/x - Step 3: Cross multiply
811,101.33x = 1,119,327.12 × 448,549.74 - Step 4: Simplify right side
811,101.33x = 502,073,888,650.95 - Step 5: Solve for x
x = 502,073,888,650.95/811,101.33 - Step 6: Final answer
x = 619,002.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.